The accompanying table gives results from a study of the words spoken in a day by men and women, and the original data are in Data Set 17 in Appendix B (based on "Are Women Really
More Talkative Than Men?" by Mehl et al., Science, Vol. 317, No. 5834). Use a 0.01 significance
level to test the claim that the mean number of words spoken in a day by men is less than that for
women. Identify the null and alternative hypotheses

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.

how much is coupon

step-by-step explanation:

did you get the answer?

(1 km=1000m, 1m=100 cm)